1278 lines
32 KiB
Go
1278 lines
32 KiB
Go
package channeldb
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import (
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"bytes"
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"crypto/rand"
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"crypto/sha256"
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"fmt"
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"io"
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"reflect"
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"testing"
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"time"
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"github.com/btcsuite/btcwallet/walletdb"
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"github.com/davecgh/go-spew/spew"
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"github.com/lightningnetwork/lnd/kvdb"
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"github.com/lightningnetwork/lnd/lntypes"
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"github.com/lightningnetwork/lnd/record"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func genPreimage() ([32]byte, error) {
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var preimage [32]byte
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if _, err := io.ReadFull(rand.Reader, preimage[:]); err != nil {
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return preimage, err
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}
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return preimage, nil
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}
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func genInfo() (*PaymentCreationInfo, *HTLCAttemptInfo,
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lntypes.Preimage, error) {
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preimage, err := genPreimage()
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if err != nil {
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return nil, nil, preimage, fmt.Errorf("unable to "+
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"generate preimage: %v", err)
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}
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rhash := sha256.Sum256(preimage[:])
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attempt := NewHtlcAttemptInfo(
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0, priv, *testRoute.Copy(), time.Time{}, nil,
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)
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return &PaymentCreationInfo{
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PaymentIdentifier: rhash,
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Value: testRoute.ReceiverAmt(),
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CreationTime: time.Unix(time.Now().Unix(), 0),
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PaymentRequest: []byte("hola"),
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}, attempt, preimage, nil
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}
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// TestPaymentControlSwitchFail checks that payment status returns to Failed
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// status after failing, and that InitPayment allows another HTLC for the
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// same payment hash.
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func TestPaymentControlSwitchFail(t *testing.T) {
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t.Parallel()
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db, cleanup, err := MakeTestDB()
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defer cleanup()
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if err != nil {
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t.Fatalf("unable to init db: %v", err)
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}
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pControl := NewPaymentControl(db)
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info, attempt, preimg, err := genInfo()
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if err != nil {
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t.Fatalf("unable to generate htlc message: %v", err)
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}
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// Sends base htlc message which initiate StatusInFlight.
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err = pControl.InitPayment(info.PaymentIdentifier, info)
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if err != nil {
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t.Fatalf("unable to send htlc message: %v", err)
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}
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assertPaymentIndex(t, pControl, info.PaymentIdentifier)
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusInFlight)
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assertPaymentInfo(
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t, pControl, info.PaymentIdentifier, info, nil, nil,
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)
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// Fail the payment, which should moved it to Failed.
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failReason := FailureReasonNoRoute
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_, err = pControl.Fail(info.PaymentIdentifier, failReason)
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if err != nil {
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t.Fatalf("unable to fail payment hash: %v", err)
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}
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// Verify the status is indeed Failed.
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusFailed)
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assertPaymentInfo(
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t, pControl, info.PaymentIdentifier, info, &failReason, nil,
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)
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// Lookup the payment so we can get its old sequence number before it is
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// overwritten.
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payment, err := pControl.FetchPayment(info.PaymentIdentifier)
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assert.NoError(t, err)
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// Sends the htlc again, which should succeed since the prior payment
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// failed.
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err = pControl.InitPayment(info.PaymentIdentifier, info)
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if err != nil {
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t.Fatalf("unable to send htlc message: %v", err)
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}
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// Check that our index has been updated, and the old index has been
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// removed.
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assertPaymentIndex(t, pControl, info.PaymentIdentifier)
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assertNoIndex(t, pControl, payment.SequenceNum)
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusInFlight)
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assertPaymentInfo(
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t, pControl, info.PaymentIdentifier, info, nil, nil,
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)
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// Record a new attempt. In this test scenario, the attempt fails.
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// However, this is not communicated to control tower in the current
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// implementation. It only registers the initiation of the attempt.
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_, err = pControl.RegisterAttempt(info.PaymentIdentifier, attempt)
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if err != nil {
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t.Fatalf("unable to register attempt: %v", err)
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}
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htlcReason := HTLCFailUnreadable
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_, err = pControl.FailAttempt(
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info.PaymentIdentifier, attempt.AttemptID,
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&HTLCFailInfo{
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Reason: htlcReason,
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},
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)
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if err != nil {
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t.Fatal(err)
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}
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusInFlight)
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htlc := &htlcStatus{
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HTLCAttemptInfo: attempt,
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failure: &htlcReason,
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}
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assertPaymentInfo(t, pControl, info.PaymentIdentifier, info, nil, htlc)
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// Record another attempt.
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attempt.AttemptID = 1
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_, err = pControl.RegisterAttempt(info.PaymentIdentifier, attempt)
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if err != nil {
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t.Fatalf("unable to send htlc message: %v", err)
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}
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusInFlight)
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htlc = &htlcStatus{
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HTLCAttemptInfo: attempt,
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}
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assertPaymentInfo(
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t, pControl, info.PaymentIdentifier, info, nil, htlc,
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)
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// Settle the attempt and verify that status was changed to
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// StatusSucceeded.
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payment, err = pControl.SettleAttempt(
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info.PaymentIdentifier, attempt.AttemptID,
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&HTLCSettleInfo{
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Preimage: preimg,
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},
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)
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if err != nil {
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t.Fatalf("error shouldn't have been received, got: %v", err)
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}
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if len(payment.HTLCs) != 2 {
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t.Fatalf("payment should have two htlcs, got: %d",
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len(payment.HTLCs))
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}
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err = assertRouteEqual(&payment.HTLCs[0].Route, &attempt.Route)
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if err != nil {
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t.Fatalf("unexpected route returned: %v vs %v: %v",
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spew.Sdump(attempt.Route),
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spew.Sdump(payment.HTLCs[0].Route), err)
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}
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusSucceeded)
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htlc.settle = &preimg
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assertPaymentInfo(
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t, pControl, info.PaymentIdentifier, info, nil, htlc,
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)
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// Attempt a final payment, which should now fail since the prior
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// payment succeed.
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err = pControl.InitPayment(info.PaymentIdentifier, info)
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if err != ErrAlreadyPaid {
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t.Fatalf("unable to send htlc message: %v", err)
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}
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}
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// TestPaymentControlSwitchDoubleSend checks the ability of payment control to
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// prevent double sending of htlc message, when message is in StatusInFlight.
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func TestPaymentControlSwitchDoubleSend(t *testing.T) {
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t.Parallel()
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db, cleanup, err := MakeTestDB()
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defer cleanup()
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if err != nil {
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t.Fatalf("unable to init db: %v", err)
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}
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pControl := NewPaymentControl(db)
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info, attempt, preimg, err := genInfo()
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if err != nil {
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t.Fatalf("unable to generate htlc message: %v", err)
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}
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// Sends base htlc message which initiate base status and move it to
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// StatusInFlight and verifies that it was changed.
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err = pControl.InitPayment(info.PaymentIdentifier, info)
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if err != nil {
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t.Fatalf("unable to send htlc message: %v", err)
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}
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assertPaymentIndex(t, pControl, info.PaymentIdentifier)
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusInFlight)
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assertPaymentInfo(
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t, pControl, info.PaymentIdentifier, info, nil, nil,
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)
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// Try to initiate double sending of htlc message with the same
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// payment hash, should result in error indicating that payment has
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// already been sent.
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err = pControl.InitPayment(info.PaymentIdentifier, info)
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if err != ErrPaymentInFlight {
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t.Fatalf("payment control wrong behaviour: " +
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"double sending must trigger ErrPaymentInFlight error")
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}
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// Record an attempt.
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_, err = pControl.RegisterAttempt(info.PaymentIdentifier, attempt)
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if err != nil {
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t.Fatalf("unable to send htlc message: %v", err)
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}
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusInFlight)
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htlc := &htlcStatus{
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HTLCAttemptInfo: attempt,
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}
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assertPaymentInfo(
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t, pControl, info.PaymentIdentifier, info, nil, htlc,
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)
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// Sends base htlc message which initiate StatusInFlight.
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err = pControl.InitPayment(info.PaymentIdentifier, info)
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if err != ErrPaymentInFlight {
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t.Fatalf("payment control wrong behaviour: " +
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"double sending must trigger ErrPaymentInFlight error")
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}
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// After settling, the error should be ErrAlreadyPaid.
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_, err = pControl.SettleAttempt(
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info.PaymentIdentifier, attempt.AttemptID,
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&HTLCSettleInfo{
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Preimage: preimg,
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},
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)
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if err != nil {
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t.Fatalf("error shouldn't have been received, got: %v", err)
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}
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusSucceeded)
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htlc.settle = &preimg
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assertPaymentInfo(t, pControl, info.PaymentIdentifier, info, nil, htlc)
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err = pControl.InitPayment(info.PaymentIdentifier, info)
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if err != ErrAlreadyPaid {
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t.Fatalf("unable to send htlc message: %v", err)
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}
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}
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// TestPaymentControlSuccessesWithoutInFlight checks that the payment
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// control will disallow calls to Success when no payment is in flight.
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func TestPaymentControlSuccessesWithoutInFlight(t *testing.T) {
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t.Parallel()
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db, cleanup, err := MakeTestDB()
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defer cleanup()
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if err != nil {
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t.Fatalf("unable to init db: %v", err)
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}
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pControl := NewPaymentControl(db)
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info, _, preimg, err := genInfo()
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if err != nil {
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t.Fatalf("unable to generate htlc message: %v", err)
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}
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// Attempt to complete the payment should fail.
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_, err = pControl.SettleAttempt(
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info.PaymentIdentifier, 0,
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&HTLCSettleInfo{
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Preimage: preimg,
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},
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)
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if err != ErrPaymentNotInitiated {
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t.Fatalf("expected ErrPaymentNotInitiated, got %v", err)
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}
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusUnknown)
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}
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// TestPaymentControlFailsWithoutInFlight checks that a strict payment
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// control will disallow calls to Fail when no payment is in flight.
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func TestPaymentControlFailsWithoutInFlight(t *testing.T) {
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t.Parallel()
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db, cleanup, err := MakeTestDB()
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defer cleanup()
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if err != nil {
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t.Fatalf("unable to init db: %v", err)
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}
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pControl := NewPaymentControl(db)
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info, _, _, err := genInfo()
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if err != nil {
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t.Fatalf("unable to generate htlc message: %v", err)
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}
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// Calling Fail should return an error.
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_, err = pControl.Fail(info.PaymentIdentifier, FailureReasonNoRoute)
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if err != ErrPaymentNotInitiated {
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t.Fatalf("expected ErrPaymentNotInitiated, got %v", err)
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}
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusUnknown)
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}
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// TestPaymentControlDeleteNonInFlight checks that calling DeletePayments only
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// deletes payments from the database that are not in-flight.
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func TestPaymentControlDeleteNonInFligt(t *testing.T) {
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t.Parallel()
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db, cleanup, err := MakeTestDB()
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defer cleanup()
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if err != nil {
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t.Fatalf("unable to init db: %v", err)
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}
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// Create a sequence number for duplicate payments that will not collide
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// with the sequence numbers for the payments we create. These values
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// start at 1, so 9999 is a safe bet for this test.
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var duplicateSeqNr = 9999
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pControl := NewPaymentControl(db)
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payments := []struct {
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failed bool
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success bool
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hasDuplicate bool
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}{
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{
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failed: true,
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success: false,
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hasDuplicate: false,
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},
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{
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failed: false,
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success: true,
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hasDuplicate: false,
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},
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{
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failed: false,
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success: false,
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hasDuplicate: false,
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},
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{
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failed: false,
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success: true,
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hasDuplicate: true,
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},
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}
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var numSuccess, numInflight int
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for _, p := range payments {
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info, attempt, preimg, err := genInfo()
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if err != nil {
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t.Fatalf("unable to generate htlc message: %v", err)
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}
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// Sends base htlc message which initiate StatusInFlight.
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err = pControl.InitPayment(info.PaymentIdentifier, info)
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if err != nil {
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t.Fatalf("unable to send htlc message: %v", err)
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}
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_, err = pControl.RegisterAttempt(info.PaymentIdentifier, attempt)
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if err != nil {
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t.Fatalf("unable to send htlc message: %v", err)
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}
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htlc := &htlcStatus{
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HTLCAttemptInfo: attempt,
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}
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if p.failed {
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// Fail the payment attempt.
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htlcFailure := HTLCFailUnreadable
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_, err := pControl.FailAttempt(
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info.PaymentIdentifier, attempt.AttemptID,
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&HTLCFailInfo{
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Reason: htlcFailure,
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},
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)
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if err != nil {
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t.Fatalf("unable to fail htlc: %v", err)
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}
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// Fail the payment, which should moved it to Failed.
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failReason := FailureReasonNoRoute
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_, err = pControl.Fail(info.PaymentIdentifier, failReason)
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if err != nil {
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t.Fatalf("unable to fail payment hash: %v", err)
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}
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// Verify the status is indeed Failed.
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusFailed)
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htlc.failure = &htlcFailure
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assertPaymentInfo(
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t, pControl, info.PaymentIdentifier, info,
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&failReason, htlc,
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)
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} else if p.success {
|
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// Verifies that status was changed to StatusSucceeded.
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_, err := pControl.SettleAttempt(
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info.PaymentIdentifier, attempt.AttemptID,
|
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&HTLCSettleInfo{
|
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Preimage: preimg,
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},
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)
|
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if err != nil {
|
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t.Fatalf("error shouldn't have been received, got: %v", err)
|
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}
|
|
|
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusSucceeded)
|
|
|
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htlc.settle = &preimg
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assertPaymentInfo(
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t, pControl, info.PaymentIdentifier, info, nil, htlc,
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)
|
|
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numSuccess++
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} else {
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assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusInFlight)
|
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assertPaymentInfo(
|
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t, pControl, info.PaymentIdentifier, info, nil, htlc,
|
|
)
|
|
|
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numInflight++
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}
|
|
|
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// If the payment is intended to have a duplicate payment, we
|
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// add one.
|
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if p.hasDuplicate {
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appendDuplicatePayment(
|
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t, pControl.db, info.PaymentIdentifier,
|
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uint64(duplicateSeqNr), preimg,
|
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)
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duplicateSeqNr++
|
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numSuccess++
|
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}
|
|
}
|
|
|
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// Delete all failed payments.
|
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if err := db.DeletePayments(true, false); err != nil {
|
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t.Fatal(err)
|
|
}
|
|
|
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// This should leave the succeeded and in-flight payments.
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dbPayments, err := db.FetchPayments()
|
|
if err != nil {
|
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t.Fatal(err)
|
|
}
|
|
|
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if len(dbPayments) != numSuccess+numInflight {
|
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t.Fatalf("expected %d payments, got %d",
|
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numSuccess+numInflight, len(dbPayments))
|
|
}
|
|
|
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var s, i int
|
|
for _, p := range dbPayments {
|
|
fmt.Println("fetch payment has status", p.Status)
|
|
switch p.Status {
|
|
case StatusSucceeded:
|
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s++
|
|
case StatusInFlight:
|
|
i++
|
|
}
|
|
}
|
|
|
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if s != numSuccess {
|
|
t.Fatalf("expected %d succeeded payments , got %d",
|
|
numSuccess, s)
|
|
}
|
|
if i != numInflight {
|
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t.Fatalf("expected %d in-flight payments, got %d",
|
|
numInflight, i)
|
|
}
|
|
|
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// Now delete all payments except in-flight.
|
|
if err := db.DeletePayments(false, false); err != nil {
|
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t.Fatal(err)
|
|
}
|
|
|
|
// This should leave the in-flight payment.
|
|
dbPayments, err = db.FetchPayments()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if len(dbPayments) != numInflight {
|
|
t.Fatalf("expected %d payments, got %d", numInflight,
|
|
len(dbPayments))
|
|
}
|
|
|
|
for _, p := range dbPayments {
|
|
if p.Status != StatusInFlight {
|
|
t.Fatalf("expected in-fligth status, got %v", p.Status)
|
|
}
|
|
}
|
|
|
|
// Finally, check that we only have a single index left in the payment
|
|
// index bucket.
|
|
var indexCount int
|
|
err = kvdb.View(db, func(tx walletdb.ReadTx) error {
|
|
index := tx.ReadBucket(paymentsIndexBucket)
|
|
|
|
return index.ForEach(func(k, v []byte) error {
|
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indexCount++
|
|
return nil
|
|
})
|
|
}, func() { indexCount = 0 })
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, 1, indexCount)
|
|
}
|
|
|
|
// TestPaymentControlDeletePayments tests that DeletePayments correcly deletes
|
|
// information about completed payments from the database.
|
|
func TestPaymentControlDeletePayments(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
db, cleanup, err := MakeTestDB()
|
|
defer cleanup()
|
|
|
|
if err != nil {
|
|
t.Fatalf("unable to init db: %v", err)
|
|
}
|
|
|
|
pControl := NewPaymentControl(db)
|
|
|
|
// Register three payments:
|
|
// 1. A payment with two failed attempts.
|
|
// 2. A Payment with one failed and one settled attempt.
|
|
// 3. A payment with one failed and one in-flight attempt.
|
|
attemptID := uint64(0)
|
|
for i := 0; i < 3; i++ {
|
|
info, attempt, preimg, err := genInfo()
|
|
if err != nil {
|
|
t.Fatalf("unable to generate htlc message: %v", err)
|
|
}
|
|
|
|
attempt.AttemptID = attemptID
|
|
attemptID++
|
|
|
|
// Init the payment.
|
|
err = pControl.InitPayment(info.PaymentIdentifier, info)
|
|
if err != nil {
|
|
t.Fatalf("unable to send htlc message: %v", err)
|
|
}
|
|
|
|
// Register and fail the first attempt for all three payments.
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, attempt)
|
|
if err != nil {
|
|
t.Fatalf("unable to send htlc message: %v", err)
|
|
}
|
|
|
|
htlcFailure := HTLCFailUnreadable
|
|
_, err = pControl.FailAttempt(
|
|
info.PaymentIdentifier, attempt.AttemptID,
|
|
&HTLCFailInfo{
|
|
Reason: htlcFailure,
|
|
},
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("unable to fail htlc: %v", err)
|
|
}
|
|
|
|
// Depending on the test case, fail or succeed the next
|
|
// attempt.
|
|
attempt.AttemptID = attemptID
|
|
attemptID++
|
|
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, attempt)
|
|
if err != nil {
|
|
t.Fatalf("unable to send htlc message: %v", err)
|
|
}
|
|
|
|
switch i {
|
|
|
|
// Fail the attempt and the payment overall.
|
|
case 0:
|
|
htlcFailure := HTLCFailUnreadable
|
|
_, err = pControl.FailAttempt(
|
|
info.PaymentIdentifier, attempt.AttemptID,
|
|
&HTLCFailInfo{
|
|
Reason: htlcFailure,
|
|
},
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("unable to fail htlc: %v", err)
|
|
}
|
|
|
|
failReason := FailureReasonNoRoute
|
|
_, err = pControl.Fail(info.PaymentIdentifier, failReason)
|
|
if err != nil {
|
|
t.Fatalf("unable to fail payment hash: %v", err)
|
|
}
|
|
|
|
// Settle the attempt
|
|
case 1:
|
|
_, err := pControl.SettleAttempt(
|
|
info.PaymentIdentifier, attempt.AttemptID,
|
|
&HTLCSettleInfo{
|
|
Preimage: preimg,
|
|
},
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("error shouldn't have been received, got: %v", err)
|
|
}
|
|
|
|
// We leave the attmpet in-flight by doing nothing.
|
|
case 2:
|
|
}
|
|
}
|
|
|
|
type fetchedPayment struct {
|
|
status PaymentStatus
|
|
htlcs int
|
|
}
|
|
|
|
assertPayments := func(expPayments []fetchedPayment) {
|
|
t.Helper()
|
|
|
|
dbPayments, err := db.FetchPayments()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if len(dbPayments) != len(expPayments) {
|
|
t.Fatalf("expected %d payments, got %d",
|
|
len(expPayments), len(dbPayments))
|
|
}
|
|
|
|
for i := range dbPayments {
|
|
if dbPayments[i].Status != expPayments[i].status {
|
|
t.Fatalf("unexpected payment status")
|
|
}
|
|
|
|
if len(dbPayments[i].HTLCs) != expPayments[i].htlcs {
|
|
t.Fatalf("unexpected number of htlcs")
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
// Check that all payments are there as we added them.
|
|
assertPayments([]fetchedPayment{
|
|
{
|
|
status: StatusFailed,
|
|
htlcs: 2,
|
|
},
|
|
{
|
|
status: StatusSucceeded,
|
|
htlcs: 2,
|
|
},
|
|
{
|
|
status: StatusInFlight,
|
|
htlcs: 2,
|
|
},
|
|
})
|
|
|
|
// Delete HTLC attempts for failed payments only.
|
|
if err := db.DeletePayments(true, true); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// The failed payment is the only altered one.
|
|
assertPayments([]fetchedPayment{
|
|
{
|
|
status: StatusFailed,
|
|
htlcs: 0,
|
|
},
|
|
{
|
|
status: StatusSucceeded,
|
|
htlcs: 2,
|
|
},
|
|
{
|
|
status: StatusInFlight,
|
|
htlcs: 2,
|
|
},
|
|
})
|
|
|
|
// Delete failed attempts for all payments.
|
|
if err := db.DeletePayments(false, true); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// The failed attempts should be deleted, except for the in-flight
|
|
// payment, that shouldn't be altered until it has completed.
|
|
assertPayments([]fetchedPayment{
|
|
{
|
|
status: StatusFailed,
|
|
htlcs: 0,
|
|
},
|
|
{
|
|
status: StatusSucceeded,
|
|
htlcs: 1,
|
|
},
|
|
{
|
|
status: StatusInFlight,
|
|
htlcs: 2,
|
|
},
|
|
})
|
|
|
|
// Now delete all failed payments.
|
|
if err := db.DeletePayments(true, false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assertPayments([]fetchedPayment{
|
|
{
|
|
status: StatusSucceeded,
|
|
htlcs: 1,
|
|
},
|
|
{
|
|
status: StatusInFlight,
|
|
htlcs: 2,
|
|
},
|
|
})
|
|
|
|
// Finally delete all completed payments.
|
|
if err := db.DeletePayments(false, false); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assertPayments([]fetchedPayment{
|
|
{
|
|
status: StatusInFlight,
|
|
htlcs: 2,
|
|
},
|
|
})
|
|
}
|
|
|
|
// TestPaymentControlMultiShard checks the ability of payment control to
|
|
// have multiple in-flight HTLCs for a single payment.
|
|
func TestPaymentControlMultiShard(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
// We will register three HTLC attempts, and always fail the second
|
|
// one. We'll generate all combinations of settling/failing the first
|
|
// and third HTLC, and assert that the payment status end up as we
|
|
// expect.
|
|
type testCase struct {
|
|
settleFirst bool
|
|
settleLast bool
|
|
}
|
|
|
|
var tests []testCase
|
|
for _, f := range []bool{true, false} {
|
|
for _, l := range []bool{true, false} {
|
|
tests = append(tests, testCase{f, l})
|
|
}
|
|
}
|
|
|
|
runSubTest := func(t *testing.T, test testCase) {
|
|
db, cleanup, err := MakeTestDB()
|
|
defer cleanup()
|
|
|
|
if err != nil {
|
|
t.Fatalf("unable to init db: %v", err)
|
|
}
|
|
|
|
pControl := NewPaymentControl(db)
|
|
|
|
info, attempt, preimg, err := genInfo()
|
|
if err != nil {
|
|
t.Fatalf("unable to generate htlc message: %v", err)
|
|
}
|
|
|
|
// Init the payment, moving it to the StatusInFlight state.
|
|
err = pControl.InitPayment(info.PaymentIdentifier, info)
|
|
if err != nil {
|
|
t.Fatalf("unable to send htlc message: %v", err)
|
|
}
|
|
|
|
assertPaymentIndex(t, pControl, info.PaymentIdentifier)
|
|
assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusInFlight)
|
|
assertPaymentInfo(
|
|
t, pControl, info.PaymentIdentifier, info, nil, nil,
|
|
)
|
|
|
|
// Create three unique attempts we'll use for the test, and
|
|
// register them with the payment control. We set each
|
|
// attempts's value to one third of the payment amount, and
|
|
// populate the MPP options.
|
|
shardAmt := info.Value / 3
|
|
attempt.Route.FinalHop().AmtToForward = shardAmt
|
|
attempt.Route.FinalHop().MPP = record.NewMPP(
|
|
info.Value, [32]byte{1},
|
|
)
|
|
|
|
var attempts []*HTLCAttemptInfo
|
|
for i := uint64(0); i < 3; i++ {
|
|
a := *attempt
|
|
a.AttemptID = i
|
|
attempts = append(attempts, &a)
|
|
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, &a)
|
|
if err != nil {
|
|
t.Fatalf("unable to send htlc message: %v", err)
|
|
}
|
|
assertPaymentStatus(
|
|
t, pControl, info.PaymentIdentifier, StatusInFlight,
|
|
)
|
|
|
|
htlc := &htlcStatus{
|
|
HTLCAttemptInfo: &a,
|
|
}
|
|
assertPaymentInfo(
|
|
t, pControl, info.PaymentIdentifier, info, nil, htlc,
|
|
)
|
|
}
|
|
|
|
// For a fourth attempt, check that attempting to
|
|
// register it will fail since the total sent amount
|
|
// will be too large.
|
|
b := *attempt
|
|
b.AttemptID = 3
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, &b)
|
|
if err != ErrValueExceedsAmt {
|
|
t.Fatalf("expected ErrValueExceedsAmt, got: %v",
|
|
err)
|
|
}
|
|
|
|
// Fail the second attempt.
|
|
a := attempts[1]
|
|
htlcFail := HTLCFailUnreadable
|
|
_, err = pControl.FailAttempt(
|
|
info.PaymentIdentifier, a.AttemptID,
|
|
&HTLCFailInfo{
|
|
Reason: htlcFail,
|
|
},
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
htlc := &htlcStatus{
|
|
HTLCAttemptInfo: a,
|
|
failure: &htlcFail,
|
|
}
|
|
assertPaymentInfo(
|
|
t, pControl, info.PaymentIdentifier, info, nil, htlc,
|
|
)
|
|
|
|
// Payment should still be in-flight.
|
|
assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusInFlight)
|
|
|
|
// Depending on the test case, settle or fail the first attempt.
|
|
a = attempts[0]
|
|
htlc = &htlcStatus{
|
|
HTLCAttemptInfo: a,
|
|
}
|
|
|
|
var firstFailReason *FailureReason
|
|
if test.settleFirst {
|
|
_, err := pControl.SettleAttempt(
|
|
info.PaymentIdentifier, a.AttemptID,
|
|
&HTLCSettleInfo{
|
|
Preimage: preimg,
|
|
},
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("error shouldn't have been "+
|
|
"received, got: %v", err)
|
|
}
|
|
|
|
// Assert that the HTLC has had the preimage recorded.
|
|
htlc.settle = &preimg
|
|
assertPaymentInfo(
|
|
t, pControl, info.PaymentIdentifier, info, nil, htlc,
|
|
)
|
|
} else {
|
|
_, err := pControl.FailAttempt(
|
|
info.PaymentIdentifier, a.AttemptID,
|
|
&HTLCFailInfo{
|
|
Reason: htlcFail,
|
|
},
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("error shouldn't have been "+
|
|
"received, got: %v", err)
|
|
}
|
|
|
|
// Assert the failure was recorded.
|
|
htlc.failure = &htlcFail
|
|
assertPaymentInfo(
|
|
t, pControl, info.PaymentIdentifier, info, nil, htlc,
|
|
)
|
|
|
|
// We also record a payment level fail, to move it into
|
|
// a terminal state.
|
|
failReason := FailureReasonNoRoute
|
|
_, err = pControl.Fail(info.PaymentIdentifier, failReason)
|
|
if err != nil {
|
|
t.Fatalf("unable to fail payment hash: %v", err)
|
|
}
|
|
|
|
// Record the reason we failed the payment, such that
|
|
// we can assert this later in the test.
|
|
firstFailReason = &failReason
|
|
}
|
|
|
|
// The payment should still be considered in-flight, since there
|
|
// is still an active HTLC.
|
|
assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusInFlight)
|
|
|
|
// Try to register yet another attempt. This should fail now
|
|
// that the payment has reached a terminal condition.
|
|
b = *attempt
|
|
b.AttemptID = 3
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, &b)
|
|
if err != ErrPaymentTerminal {
|
|
t.Fatalf("expected ErrPaymentTerminal, got: %v", err)
|
|
}
|
|
|
|
assertPaymentStatus(t, pControl, info.PaymentIdentifier, StatusInFlight)
|
|
|
|
// Settle or fail the remaining attempt based on the testcase.
|
|
a = attempts[2]
|
|
htlc = &htlcStatus{
|
|
HTLCAttemptInfo: a,
|
|
}
|
|
if test.settleLast {
|
|
// Settle the last outstanding attempt.
|
|
_, err = pControl.SettleAttempt(
|
|
info.PaymentIdentifier, a.AttemptID,
|
|
&HTLCSettleInfo{
|
|
Preimage: preimg,
|
|
},
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("error shouldn't have been "+
|
|
"received, got: %v", err)
|
|
}
|
|
|
|
htlc.settle = &preimg
|
|
assertPaymentInfo(
|
|
t, pControl, info.PaymentIdentifier, info,
|
|
firstFailReason, htlc,
|
|
)
|
|
} else {
|
|
// Fail the attempt.
|
|
_, err := pControl.FailAttempt(
|
|
info.PaymentIdentifier, a.AttemptID,
|
|
&HTLCFailInfo{
|
|
Reason: htlcFail,
|
|
},
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("error shouldn't have been "+
|
|
"received, got: %v", err)
|
|
}
|
|
|
|
// Assert the failure was recorded.
|
|
htlc.failure = &htlcFail
|
|
assertPaymentInfo(
|
|
t, pControl, info.PaymentIdentifier, info,
|
|
firstFailReason, htlc,
|
|
)
|
|
|
|
// Check that we can override any perevious terminal
|
|
// failure. This is to allow multiple concurrent shard
|
|
// write a terminal failure to the database without
|
|
// syncing.
|
|
failReason := FailureReasonPaymentDetails
|
|
_, err = pControl.Fail(info.PaymentIdentifier, failReason)
|
|
if err != nil {
|
|
t.Fatalf("unable to fail payment hash: %v", err)
|
|
}
|
|
}
|
|
|
|
// If any of the two attempts settled, the payment should end
|
|
// up in the Succeeded state. If both failed the payment should
|
|
// also be Failed at this poinnt.
|
|
finalStatus := StatusFailed
|
|
if test.settleFirst || test.settleLast {
|
|
finalStatus = StatusSucceeded
|
|
}
|
|
|
|
assertPaymentStatus(t, pControl, info.PaymentIdentifier, finalStatus)
|
|
|
|
// Finally assert we cannot register more attempts.
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, &b)
|
|
require.Equal(t, ErrPaymentTerminal, err)
|
|
}
|
|
|
|
for _, test := range tests {
|
|
test := test
|
|
subTest := fmt.Sprintf("first=%v, second=%v",
|
|
test.settleFirst, test.settleLast)
|
|
|
|
t.Run(subTest, func(t *testing.T) {
|
|
runSubTest(t, test)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestPaymentControlMPPRecordValidation(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
db, cleanup, err := MakeTestDB()
|
|
defer cleanup()
|
|
|
|
if err != nil {
|
|
t.Fatalf("unable to init db: %v", err)
|
|
}
|
|
|
|
pControl := NewPaymentControl(db)
|
|
|
|
info, attempt, _, err := genInfo()
|
|
if err != nil {
|
|
t.Fatalf("unable to generate htlc message: %v", err)
|
|
}
|
|
|
|
// Init the payment.
|
|
err = pControl.InitPayment(info.PaymentIdentifier, info)
|
|
if err != nil {
|
|
t.Fatalf("unable to send htlc message: %v", err)
|
|
}
|
|
|
|
// Create three unique attempts we'll use for the test, and
|
|
// register them with the payment control. We set each
|
|
// attempts's value to one third of the payment amount, and
|
|
// populate the MPP options.
|
|
shardAmt := info.Value / 3
|
|
attempt.Route.FinalHop().AmtToForward = shardAmt
|
|
attempt.Route.FinalHop().MPP = record.NewMPP(
|
|
info.Value, [32]byte{1},
|
|
)
|
|
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, attempt)
|
|
if err != nil {
|
|
t.Fatalf("unable to send htlc message: %v", err)
|
|
}
|
|
|
|
// Now try to register a non-MPP attempt, which should fail.
|
|
b := *attempt
|
|
b.AttemptID = 1
|
|
b.Route.FinalHop().MPP = nil
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, &b)
|
|
if err != ErrMPPayment {
|
|
t.Fatalf("expected ErrMPPayment, got: %v", err)
|
|
}
|
|
|
|
// Try to register attempt one with a different payment address.
|
|
b.Route.FinalHop().MPP = record.NewMPP(
|
|
info.Value, [32]byte{2},
|
|
)
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, &b)
|
|
if err != ErrMPPPaymentAddrMismatch {
|
|
t.Fatalf("expected ErrMPPPaymentAddrMismatch, got: %v", err)
|
|
}
|
|
|
|
// Try registering one with a different total amount.
|
|
b.Route.FinalHop().MPP = record.NewMPP(
|
|
info.Value/2, [32]byte{1},
|
|
)
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, &b)
|
|
if err != ErrMPPTotalAmountMismatch {
|
|
t.Fatalf("expected ErrMPPTotalAmountMismatch, got: %v", err)
|
|
}
|
|
|
|
// Create and init a new payment. This time we'll check that we cannot
|
|
// register an MPP attempt if we already registered a non-MPP one.
|
|
info, attempt, _, err = genInfo()
|
|
if err != nil {
|
|
t.Fatalf("unable to generate htlc message: %v", err)
|
|
}
|
|
|
|
err = pControl.InitPayment(info.PaymentIdentifier, info)
|
|
if err != nil {
|
|
t.Fatalf("unable to send htlc message: %v", err)
|
|
}
|
|
|
|
attempt.Route.FinalHop().MPP = nil
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, attempt)
|
|
if err != nil {
|
|
t.Fatalf("unable to send htlc message: %v", err)
|
|
}
|
|
|
|
// Attempt to register an MPP attempt, which should fail.
|
|
b = *attempt
|
|
b.AttemptID = 1
|
|
b.Route.FinalHop().MPP = record.NewMPP(
|
|
info.Value, [32]byte{1},
|
|
)
|
|
|
|
_, err = pControl.RegisterAttempt(info.PaymentIdentifier, &b)
|
|
if err != ErrNonMPPayment {
|
|
t.Fatalf("expected ErrNonMPPayment, got: %v", err)
|
|
}
|
|
}
|
|
|
|
// assertPaymentStatus retrieves the status of the payment referred to by hash
|
|
// and compares it with the expected state.
|
|
func assertPaymentStatus(t *testing.T, p *PaymentControl,
|
|
hash lntypes.Hash, expStatus PaymentStatus) {
|
|
|
|
t.Helper()
|
|
|
|
payment, err := p.FetchPayment(hash)
|
|
if expStatus == StatusUnknown && err == ErrPaymentNotInitiated {
|
|
return
|
|
}
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if payment.Status != expStatus {
|
|
t.Fatalf("payment status mismatch: expected %v, got %v",
|
|
expStatus, payment.Status)
|
|
}
|
|
}
|
|
|
|
type htlcStatus struct {
|
|
*HTLCAttemptInfo
|
|
settle *lntypes.Preimage
|
|
failure *HTLCFailReason
|
|
}
|
|
|
|
// assertPaymentInfo retrieves the payment referred to by hash and verifies the
|
|
// expected values.
|
|
func assertPaymentInfo(t *testing.T, p *PaymentControl, hash lntypes.Hash,
|
|
c *PaymentCreationInfo, f *FailureReason, a *htlcStatus) {
|
|
|
|
t.Helper()
|
|
|
|
payment, err := p.FetchPayment(hash)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(payment.Info, c) {
|
|
t.Fatalf("PaymentCreationInfos don't match: %v vs %v",
|
|
spew.Sdump(payment.Info), spew.Sdump(c))
|
|
}
|
|
|
|
if f != nil {
|
|
if *payment.FailureReason != *f {
|
|
t.Fatal("unexpected failure reason")
|
|
}
|
|
} else {
|
|
if payment.FailureReason != nil {
|
|
t.Fatal("unexpected failure reason")
|
|
}
|
|
}
|
|
|
|
if a == nil {
|
|
if len(payment.HTLCs) > 0 {
|
|
t.Fatal("expected no htlcs")
|
|
}
|
|
return
|
|
}
|
|
|
|
htlc := payment.HTLCs[a.AttemptID]
|
|
if err := assertRouteEqual(&htlc.Route, &a.Route); err != nil {
|
|
t.Fatal("routes do not match")
|
|
}
|
|
|
|
if htlc.AttemptID != a.AttemptID {
|
|
t.Fatalf("unnexpected attempt ID %v, expected %v",
|
|
htlc.AttemptID, a.AttemptID)
|
|
}
|
|
|
|
if a.failure != nil {
|
|
if htlc.Failure == nil {
|
|
t.Fatalf("expected HTLC to be failed")
|
|
}
|
|
|
|
if htlc.Failure.Reason != *a.failure {
|
|
t.Fatalf("expected HTLC failure %v, had %v",
|
|
*a.failure, htlc.Failure.Reason)
|
|
}
|
|
} else if htlc.Failure != nil {
|
|
t.Fatalf("expected no HTLC failure")
|
|
}
|
|
|
|
if a.settle != nil {
|
|
if htlc.Settle.Preimage != *a.settle {
|
|
t.Fatalf("Preimages don't match: %x vs %x",
|
|
htlc.Settle.Preimage, a.settle)
|
|
}
|
|
} else if htlc.Settle != nil {
|
|
t.Fatal("expected no settle info")
|
|
}
|
|
}
|
|
|
|
// fetchPaymentIndexEntry gets the payment hash for the sequence number provided
|
|
// from our payment indexes bucket.
|
|
func fetchPaymentIndexEntry(_ *testing.T, p *PaymentControl,
|
|
sequenceNumber uint64) (*lntypes.Hash, error) {
|
|
|
|
var hash lntypes.Hash
|
|
|
|
if err := kvdb.View(p.db, func(tx walletdb.ReadTx) error {
|
|
indexBucket := tx.ReadBucket(paymentsIndexBucket)
|
|
key := make([]byte, 8)
|
|
byteOrder.PutUint64(key, sequenceNumber)
|
|
|
|
indexValue := indexBucket.Get(key)
|
|
if indexValue == nil {
|
|
return errNoSequenceNrIndex
|
|
}
|
|
|
|
r := bytes.NewReader(indexValue)
|
|
|
|
var err error
|
|
hash, err = deserializePaymentIndex(r)
|
|
return err
|
|
}, func() {
|
|
hash = lntypes.Hash{}
|
|
}); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &hash, nil
|
|
}
|
|
|
|
// assertPaymentIndex looks up the index for a payment in the db and checks
|
|
// that its payment hash matches the expected hash passed in.
|
|
func assertPaymentIndex(t *testing.T, p *PaymentControl,
|
|
expectedHash lntypes.Hash) {
|
|
|
|
// Lookup the payment so that we have its sequence number and check
|
|
// that is has correctly been indexed in the payment indexes bucket.
|
|
pmt, err := p.FetchPayment(expectedHash)
|
|
require.NoError(t, err)
|
|
|
|
hash, err := fetchPaymentIndexEntry(t, p, pmt.SequenceNum)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, expectedHash, *hash)
|
|
}
|
|
|
|
// assertNoIndex checks that an index for the sequence number provided does not
|
|
// exist.
|
|
func assertNoIndex(t *testing.T, p *PaymentControl, seqNr uint64) {
|
|
_, err := fetchPaymentIndexEntry(t, p, seqNr)
|
|
require.Equal(t, errNoSequenceNrIndex, err)
|
|
}
|